Nylons

**Definition:** Polymers where the main polymer chain comprises recurring amide groups. These compounds are generally formed from combinations of diamines, diacids, and amino acids and yield fibers, sheeting, or extruded forms used in textiles, gels, filters, sutures, contact lenses, and other biomaterials.

**Tree numbers:** - D05.750.716.392 - D25.720.716.392 - J01.637.051.720.716.392 - J01.637.548

**Synonyms:** - Nylon - Polyamide - Polyamides